256749122

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1481}}^1$

素因数の和:1587

約数の個数: 48

約数和(自身を含む): 471364920

約数和(自身を除く): 214615798

約数列:

[1, 2, 7, 14, 29, 49, 58, 61, 98, 122, 203, 406, 427, 854, 1421, 1481, 1769, 2842, 2962, 2989, 3538, 5978, 10367, 12383, 20734, 24766, 42949, 72569, 85898, 86681, 90341, 145138, 173362, 180682, 300643, 601286, 632387, 1264774, 2104501, 2619889, 4209002, 4426709, 5239778, 8853418, 18339223, 36678446, 128374561, 256749122]

約数ペア:

[(1, 256749122), (2, 128374561), (7, 36678446), (14, 18339223), (29, 8853418), (49, 5239778), (58, 4426709), (61, 4209002), (98, 2619889), (122, 2104501), (203, 1264774), (406, 632387), (427, 601286), (854, 300643), (1421, 180682), (1481, 173362), (1769, 145138), (2842, 90341), (2962, 86681), (2989, 85898), (3538, 72569), (5978, 42949), (10367, 24766), (12383, 20734)]